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12741709 is a prime number
BaseRepresentation
bin110000100110…
…110001001101
3212222100100011
4300212301031
511230213314
61133033221
7213205561
oct60466115
925870304
1012741709
117213042
124325811
132841796
1419996a1
1511ba4c4
hexc26c4d

12741709 has 2 divisors, whose sum is σ = 12741710. Its totient is φ = 12741708.

The previous prime is 12741697. The next prime is 12741719. The reversal of 12741709 is 90714721.

12741709 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12638025 + 103684 = 3555^2 + 322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12741709 is a prime.

It is a super-2 number, since 2×127417092 = 324702296481362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12741719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6370854 + 6370855.

It is an arithmetic number, because the mean of its divisors is an integer number (6370855).

Almost surely, 212741709 is an apocalyptic number.

It is an amenable number.

12741709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12741709 is an equidigital number, since it uses as much as digits as its factorization.

12741709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12741709 is about 3569.5530532547. The cubic root of 12741709 is about 233.5657871663.

The spelling of 12741709 in words is "twelve million, seven hundred forty-one thousand, seven hundred nine".